MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers strongly indicate a phishing or trojan payload. The file's structure and URL distribution suggest it's part of a phishing campaign, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/rixuvukoxitigumi.pdf In PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613d771dde575---pofugeviwumoleturiwewex.pdfIn PDF document text
- https://cheesykeju.com/contents/files/fetiruver.pdfIn PDF document text
- http://archinfo.ru/uploads/file/43283927023.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/61661393921.pdfIn PDF document text
- http://geopraxis.it/userfiles/files/75161019047.pdfIn PDF document text
- http://pure-chiral.com/upload/files/xunujibomixi.pdfIn PDF document text
- http://kehlux.lu/userfiles/files/funosatipoj.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/81208344049.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/wekelag.pdfIn PDF document text
- http://ghibms.com/userfiles/files/28575861922.pdfIn PDF document text
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58704213420.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba0278af85---33842193412.pdfIn PDF document text
- https://holyfamilyhospitals.com/ckfinder/userfiles/files/10797559574.pdfIn PDF document text
- https://4wheelchile.cl/admin/uploads/file/86669699192.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/87138255281.pdfIn PDF document text
- https://energooptima.hu/upload/File/56100479575.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/bqsa9s09bp1midbroajjo9dti4d6g25i/xebeletil.pdfIn PDF document text
- https://lmcmanager.com/ckfinder/userfiles/files/29581296340.pdfIn PDF document text
- https://siahotel.com/userfiles/files/5606927665.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/f822d45255e4324b2e06dbee42911c42/rimufefopurod.pdfIn PDF document text
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/fupopuronebozegeson.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/13500091913.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/23138192887.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/47033797819.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/liwetotiraxoga.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=android+copy+apps+to+sd+cardPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e999.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE999 | 18092 bytes |
SHA-256: cd17689888b28d1e6ad8b153bb4b236f924dd7235bde60c1a3861343feeb9c82 |
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font_01_sfnt_off000118c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C8 | 10424 bytes |
SHA-256: d9f1c0a9cb16ab096ed600c96c20f89b2d9945d06295695b65cd29e2e40a7182 |
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font_02_sfnt_off00013093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13093 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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